//
//  NewTabPageSettingsStorage.swift
//  DuckDuckGo
//
//  Copyright © 2024 DuckDuckGo. All rights reserved.
//
//  Licensed under the Apache License, Version 2.0 (the "License");
//  you may not use this file except in compliance with the License.
//  You may obtain a copy of the License at
//
//  http://www.apache.org/licenses/LICENSE-2.0
//
//  Unless required by applicable law or agreed to in writing, software
//  distributed under the License is distributed on an "AS IS" BASIS,
//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//  See the License for the specific language governing permissions and
//  limitations under the License.
//

import Foundation

typealias NewTabPageSettingsStorageItem = Codable & Hashable

protocol NewTabPageSettingsStorage {

    associatedtype SettingItem: NewTabPageSettingsStorageItem

    var itemsOrder: [SettingItem] { get }

    func isEnabled(_ item: SettingItem) -> Bool
    func setItem(_ item: SettingItem, enabled: Bool)

    func moveItems(_ fromOffsets: IndexSet, toOffset: Int)

    func save()
}

extension NewTabPageSettingsStorage {
    var enabledItems: [SettingItem] { itemsOrder.filter(isEnabled) }
}
